On Fri, Jul 6, 2012 at 9:56 AM, Wolfgang Bornath <[email protected]>wrote:
> MGA2 x86_64, Gnome > Nvidia graphics, latest proprietary driver from the MGA non-free repo > All updates. > > 1. Gnome starts new session out of the blue > > Today I was editing a document in gedit. Other open applications were > chromium-browser and gkrellm. Suddenly out of the blue in the middle > of writing a word the screen changed to a new session, screen with GDM > showing). Logging in again no application was saved, work lost as well > as 2 tabs in the browser where I did not save the URLs yet. syslog > shows a Gnome session I/O failure before the session switch: > > - Jul 6 07:28:49 marvin-1 gnome-session[2301]: Gdk-WARNING: > gnome-session: Fatal IO error 11 (ressource temporarily not available) > on X server :0. > > After session restart a long list of "DEBUG" messages followed. No > errors reported in that list. > For this part of your problem, I guess you are hitting this bug: https://bugs.mageia.org/show_bug.cgi?id=2585 Alejandro. > > 2. Occasional system deep freeze > > Starting some time ago and occurring last time yesterday I get a deep > freeze (only SysRq keys for forced reboot working). Inquiring I found > this message in syslog: > > - Jul 5 13:27:42 marvin-1 kernel: [10565.322087] NVRM: GPU at > 0000:01:00.0 has fallen off the bus. > > man-draker in the German forum pointed me to > > http://www.cyberciti.biz/faq/debian-ubuntu-rhel-fedora-linux-nvidia-nvrm-gpu-fallen-off-bus/ > which talks about persistence mode of nvidia-smi. The persistence mode > is disabled by default. Switched it to "enabled" but I am not sure if > this is the true culprit - the same error should have come up more > often and on other people's machines as well if this setting was the > culprit, right? > > Another idea was offered by doktor5000: > "It could be some malfunction of systemd and you could ask Colin about > it". :) > > Additional information: the freeze is not caused by faulty memory, I > let memtest run over nicht for 8 hours, no errors. >
